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Abhiram Balasubramanian abhiram
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Anton Burtsev
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Charlie Jacobsen cjacobsen
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David Detweiler ddetweiler
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David Johnson johnsond
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- Oct 24, 2011
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Eric Dumazet authored
If a frame cant be transmitted, it is silently discarded. Add a counter to report these errors to user. Signed-off-by:
Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Sathya Perla authored
When the HW is in multi-channel mode based on the skew/IPL, there are 4 functions per port and so not enough resources to create multiple RX/TX rings for each function. Signed-off-by:
Suresh Reddy <suresh.reddy@emulex.com> Signed-off-by:
Sathya Perla <sathya.perla@emulex.com> Signed-off-by:
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Sathya Perla authored
Multiple TXQ support is partially broken in BE2. It is fully supported BE3 onwards and in Lancer. Signed-off-by:
Vasundhara Volam <vasundhara.volam@emulex.com> Signed-off-by:
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Sathya Perla authored
Currently the code for VF setup/teardown done by a PF (if_create, mac_add_config, link_status_query etc) is scattered; this patch refactors this code into be_vf_setup() and be_vf_clear(). The if_create/if_destroy/mac_addr_query cmds are now called after the MCCQ is created; so these cmds are now modified to use the MCCQ instead of MBOX. Signed-off-by:
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Sathya Perla authored
When a card is reset due to EEH error recovery or due to a suspend, rx-mode config (promisc/mc) is not being sent to the FW. be_setup() is called in these flows and is the best place for such config/re-config cmds. Hence include rx-mode, vlan and flow-control config in be_setup(). Signed-off-by:
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Dirk Eibach authored
Since commit "74888760... dt/net: Eliminate users of of_platform_{,un}register_driver" there are two platform drivers named "mdio-gpio" registered. I renamed the of variant to "mdio-ofgpio". Signed-off-by:
Dirk Eibach <eibach@gdsys.de> Signed-off-by:
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Clemens Buchacher authored
If the device is down during suspend/resume, interrupts are enabled without a registered interrupt handler, causing a storm of unhandled interrupts until the IRQ is disabled because "nobody cared". Instead, check that the device is up before touching it in the suspend/resume code. Fixes https://bugzilla.kernel.org/show_bug.cgi?id=39112 Helped-by:
Adrian Chadd <adrian@freebsd.org> Helped-by:
Mohammed Shafi <shafi.wireless@gmail.com> Signed-off-by:
Clemens Buchacher <drizzd@aon.at> Signed-off-by:
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Rick Jones authored
Add support for reporting ring sizes via ethtool -g to the virtio_net driver. Signed-off-by:
Rick Jones <rick.jones2@hp.com> Acked-by:
Rusty Russell <rusty@rustcorp.com.au> Acked-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
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- Oct 22, 2011
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Eric W. Biederman authored
When I made class_attr_bonding_matters per network namespace and dynamically allocated I overlooked the need for calling sysfs_attr_init. Oops. This fixes the following lockdep splat: [ 5.749651] bonding: Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [ 5.749655] bonding: MII link monitoring set to 100 ms [ 5.749676] BUG: key f49a831c not in .data! [ 5.749677] ------------[ cut here ]------------ [ 5.749752] WARNING: at kernel/lockdep.c:2897 lockdep_init_map+0x1c3/0x460() [ 5.749809] Hardware name: ProLiant BL460c G1 [ 5.749862] Modules linked in: bonding(+) [ 5.749978] Pid: 3177, comm: modprobe Not tainted 3.1.0-rc9-02177-gf2d1a4e-dirty #1157 [ 5.750066] Call Trace: [ 5.750120] [<c1352c2f>] ? printk+0x18/0x21 [ 5.750176] [<c103112d>] warn_slowpath_common+0x6d/0xa0 [ 5.750231] [<c1060133>] ? lockdep_init_map+0x1c3/0x460 [ 5.750287] [<c1060133>] ? lockdep_init_map+0x1c3/0x460 [ 5.750342] [<c103117d>] warn_slowpath_null+0x1d/0x20 [ 5.750398] [<c1060133>] lockdep_init_map+0x1c3/0x460 [ 5.750453] [<c1355ddd>] ? _raw_spin_unlock+0x1d/0x20 [ 5.750510] [<c11255c8>] ? sysfs_new_dirent+0x68/0x110 [ 5.750565] [<c1124d4b>] sysfs_add_file_mode+0x8b/0xe0 [ 5.750621] [<c1124db3>] sysfs_add_file+0x13/0x20 [ 5.750675] [<c1124e7c>] sysfs_create_file+0x1c/0x20 [ 5.750737] [<c1208f09>] class_create_file+0x19/0x20 [ 5.750794] [<c12c186f>] netdev_class_create_file+0xf/0x20 [ 5.750853] [<f85deaf4>] bond_create_sysfs+0x44/0x90 [bonding] [ 5.750911] [<f8410947>] ? bond_create_proc_dir+0x1e/0x3e [bonding] [ 5.750970] [<f841007e>] bond_net_init+0x7e/0x87 [bonding] [ 5.751026] [<f8410000>] ? 0xf840ffff [ 5.751080] [<c12abc7a>] ops_init.clone.4+0xba/0x100 [ 5.751135] [<c12abdb2>] ? register_pernet_subsys+0x12/0x30 [ 5.751191] [<c12abd03>] register_pernet_operations.clone.3+0x43/0x80 [ 5.751249] [<c12abdb9>] register_pernet_subsys+0x19/0x30 [ 5.751306] [<f84108b9>] bonding_init+0x832/0x8a2 [bonding] [ 5.751363] [<c10011f0>] do_one_initcall+0x30/0x160 [ 5.751420] [<f8410087>] ? bond_net_init+0x87/0x87 [bonding] [ 5.751477] [<c106d5cf>] sys_init_module+0xef/0x1890 [ 5.751533] [<c1356490>] sysenter_do_call+0x12/0x36 [ 5.751588] ---[ end trace 89f492d83a7f5006 ]--- Signed-off-by:
Eric W. Biederman <ebiederm@xmission.com> Reported-by:
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Eric Dumazet authored
Ari got kernel panics using tg3 NIC, and bisected to 2669069a "tg3: enable transmit time stamping." This is because tigon3_dma_hwbug_workaround() might alloc a new skb and free the original. We panic when skb_tx_timestamp() is called on freed skb. Reported-by:
Ari Savolainen <ari.m.savolainen@gmail.com> Signed-off-by:
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- Oct 21, 2011
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Carolyn Wyborny authored
Due to a hardware problem, writes to the VFTA register can theoretically fail. Although the likelihood of this is very low. This patch adds a shadow vfta in the adapter struct for reading and adds new write functions for these devices to work around the problem. Signed-off-by:
Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Carolyn Wyborny authored
This patch moves the DMA Coalescing feature initialization code from igb_reset to a new function and replaces it with a call to the new function. Signed-off-by:
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Carolyn Wyborny authored
In 82580 and later devices, the alternate MAC address feature is completely handled by the option ROM and software does not handle it anymore. This patch changes the check_alt_mac_addr function to exit immediately if device is 82580 or later. Signed-off-by:
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Williams, Mitch A authored
Signed-off-by:
Mitch Williams <mitch.a.williams@intel.com> Tested-by:
Sibai Li <sibai.li@intel.com> Signed-off-by:
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Williams, Mitch A authored
Update adapter identification strings to properly indicate i350 VF devices in the VF driver. Change the driver ID string to remove 82576-specific wording. Update copyright date. Signed-off-by:
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Eric W. Biederman authored
On systems that create and delete lots of dynamic devices the 31bit linux ifindex fails to fit in the 16bit macvtap minor, resulting in unusable macvtap devices. I have systems running automated tests that that hit this condition in just a few days. Use a linux idr allocator to track which mavtap minor numbers are available and and to track the association between macvtap minor numbers and macvtap network devices. Remove the unnecessary unneccessary check to see if the network device we have found is indeed a macvtap device. With macvtap specific data structures it is impossible to find any other kind of networking device. Increase the macvtap minor range from 65536 to the full 20 bits that is supported by linux device numbers. It doesn't solve the original problem but there is no penalty for a larger minor device range. Signed-off-by:
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Eric W. Biederman authored
Place macvlan_common_newlink at the end of macvtap_newlink because failing in newlink after registering your network device is not supported. Move device_create into a netdevice creation notifier. The network device notifier is the only hook that is called after the network device has been registered with the device layer and before register_network_device returns success. Signed-off-by:
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Eric W. Biederman authored
To avoid leaking packets in the receive queue. Add a socket destructor that will run whenever destroy a macvtap socket. Signed-off-by:
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Eric W. Biederman authored
To see if it is appropriate to enable the macvtap zero copy feature don't test the lowerdev network device flags. Instead test the macvtap network device flags which are a direct copy of the lowerdev flags. This is important because nothing holds a reference to lowerdev and on a very bad day we lowerdev could be a pointer to stale memory. Signed-off-by:
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Eric W. Biederman authored
There is a small window in macvtap_open between looking up a networking device and calling macvtap_set_queue in which macvtap_del_queues called from macvtap_dellink. After calling macvtap_del_queues it is totally incorrect to allow macvtap_set_queue to proceed so prevent success by reporting that all of the available queues are in use. Signed-off-by:
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Eric Dumazet authored
We must account in skb->truesize, the size of the fragments, not the used part of them. Doing this work is important to avoid unexpected OOM situations. Signed-off-by:
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Eric Dumazet authored
bnx2x allocates a full page per fragment. We must account in skb->truesize, the size of the fragment, not the used part of it. Signed-off-by:
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Ian Campbell authored
Signed-off-by:
Ian Campbell <ian.campbell@citrix.com> Cc: Casey Leedom <leedom@chelsio.com> Cc: netdev@vger.kernel.org Signed-off-by:
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Ian Campbell authored
Signed-off-by:
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Ian Campbell authored
Signed-off-by:
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- Oct 20, 2011
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Ricardo Ribalda Delgado authored
This patch enables the ethtool interface. The implementation is done using the libphy helper functions. Signed-off-by: -
RongQing Li authored
control these three function declarations and definitions with same macro CONFIG_PCI_IOV drivers/net/ethernet/intel/igb/igb_main.c:165: warning: ‘igb_vf_configure’ declared ‘static’ but never defined drivers/net/ethernet/intel/igb/igb_main.c:166: warning: ‘igb_find_enabled_vfs’ declared ‘static’ but never defined drivers/net/ethernet/intel/igb/igb_main.c:167: warning: ‘igb_check_vf_assignment’ declared ‘static’ but never defined Signed-off-by:
RongQing Li <roy.qing.li@gmail.com> Acked-by:
Greg Rose <gregory.v.rose@intel.com> Signed-off-by:
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Eric Dumazet authored
skb->truesize must account for allocated memory, not the used part of it. Doing this work is important to avoid unexpected OOM situations. Signed-off-by:
Jon Mason <mason@myri.com> Signed-off-by:
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Eric Dumazet authored
igbvf allocates half a page per skb fragment. We must account PAGE_SIZE/2 increments on skb->truesize, not the actual frag length. Signed-off-by:
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Eric Dumazet authored
skb->truesize must account for allocated memory, not the used part of it. Doing this work is important to avoid unexpected OOM situations. Signed-off-by:
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Krishna Kumar authored
Remove manual initialization in set_skb_frag, and instead use __skb_fill_page_desc() to do the same. Patch tested on net-next. Signed-off-by:
Krishna Kumar <krkumar2@in.ibm.com> Acked-by:
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- Oct 19, 2011
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Grant Grundler authored
"ethtool -e ethX" dumps EEPROM data. Patch sets EEPROM length for device. Ethtool works alot better when the kernel believes the length is > 0. From: Allan Chou <allan@asix.com.tw> Signed-off-by:
Grant Grundler <grundler@chromium.org> Signed-off-by:
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Giuseppe CAVALLARO authored
Problem using big mtu around 4096 bytes is you end allocating (4096 +NET_SKB_PAD + NET_IP_ALIGN + sizeof(struct skb_shared_info) bytes -> 8192 bytes : order-1 pages It's better to limit the mtu to SKB_MAX_HEAD(NET_SKB_PAD), to have no more than one page per skb. Also the patch changes the netdev_alloc_skb_ip_align() done in init_dma_desc_rings() and uses a variant allowing GFP_KERNEL allocations allowing the driver to load even in case of memory pressure. Reported-by:
Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by:
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Giuseppe CAVALLARO authored
This patch enhances the STMMAC driver to support CHAINED mode of descriptor. STMMAC supports DMA descriptor to operate both in dual buffer(RING) and linked-list(CHAINED) mode. In RING mode (default) each descriptor points to two data buffer pointers whereas in CHAINED mode they point to only one data buffer pointer. In CHAINED mode each descriptor will have pointer to next descriptor in the list, hence creating the explicit chaining in the descriptor itself, whereas such explicit chaining is not possible in RING mode. First version of this work has been done by Rayagond. Then the patch has been reworked avoiding ifdef inside the C code. A new header file has been added to define all the functions needed for managing enhanced and normal descriptors. In fact, these have to be specialized according to the ring/chain usage. Two new C files have been also added to implement the helper routines needed to manage: jumbo frames, chain and ring setup (i.e. desc3). Signed-off-by:
Rayagond Kokatanur <rayagond@vayavyalabs.com> Signed-off-by:
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Giuseppe CAVALLARO authored
Enable the MMC support if it is actually available from the HW capability register. Signed-off-by:
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Rayagond Kokatanur authored
Signed-off-by:
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Giuseppe CAVALLARO authored
This patch allows to set the mtu bigger than 1500 in case of normal descriptors. This is helping some SPEAr customers. Signed-off-by:
Deepak SIKRI <deepak.sikri@st.com> Signed-off-by:
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Giuseppe CAVALLARO authored
Signed-off-by:
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Giuseppe CAVALLARO authored
This patch fixes a problem raised on Orly ARM SMP platform where, in case of fragmented frames, the descriptors in the TX ring resulted broken. This was due to a missing lock protection in the tx process. Signed-off-by:
Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by:
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Srinivas Kandagatla authored
This patch stops advertising 1000Base capablities if GMAC is either configured for MII or RMII mode and on board there is a GPHY plugged on. Without this patch if an GBit switch is connected on MII interface, Ethernet stops working at all. Discovered as part of https://bugzilla.stlinux.com/show_bug.cgi?id=14148 triage Signed-off-by:
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